Home
Class 12
PHYSICS
A rope is wound round a hollow cylinder ...

A rope is wound round a hollow cylinder of mass M and radius R. If the rope is pulled with a force F newton, then the angular acceleration of the cylinder will be

A

F/MR

B

M/F R

C

R/MF

D

MR/F

Text Solution

Verified by Experts

The correct Answer is:
A

`tau = I alpha` and `tau = rF`
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER - MH-CET 2018

    NIKITA PUBLICATION|Exercise MCQ|50 Videos
  • SEMICONDUCTORS

    NIKITA PUBLICATION|Exercise MCQS|350 Videos

Similar Questions

Explore conceptually related problems

A rope is wound round a hollow cylinder of mass 3 kg and radius 40 cm . If the rope is pulled with a force of 30 N , what is the angualr acceleration of the cylinder ?

A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm . What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N ?

A rope of negligible mass is wound around a hollow cylinder of mass 3 kg and radius 40 cm . What is the angular acceleration of the cylinder, if the rope is pulled with a force of 30 N ? What is the linear acceleration of the rope ? Assume that there is no slipping.

A string is wound around a hollow cylinder fo mass 5 Kg and radius 0.5 m. If the strinag is now pulled with a horizontal force of 40 N, the cylinder is rolling without slipping on a horizontal surface (see figure), then the angular acceleration of the cyclinder will be (Neglect the mass and thickness of the string).

A rope is wound round a hollow cylinder of mass 5 kg and radius 0.5m. What is the angular acceleration of the cylinder if the rope is pulled with a force of 20 Ngt

A rope of negligible mass is wound around a hollow cylinder of mass 4 kg and radius 40 cm. What is the angular acceleration of the cylinder, if the rope is pulled with a force of 4N? Assume that there is no splipping.

A rope is wound round a hollow cylinder of mass 3 kg and radius 40 cm. What is angular acceleration of the cylinder if the rope is pulled with a force of 30 N ? What is the linear acceleration of the rope ?

NIKITA PUBLICATION-ROTATIONAL MOTION -MULTIPLE CHOICE QUESTIONS
  1. A motor running at a rate of 1000 rpm can supply torque of 60 Nm, then...

    Text Solution

    |

  2. If a motor running at a rate of 1200 revolutions per minute can supply...

    Text Solution

    |

  3. A rope is wound round a hollow cylinder of mass M and radius R. If the...

    Text Solution

    |

  4. A wheel of moment of inertia 2.0 xx 10^3 kgm^2 is rotating at uniform ...

    Text Solution

    |

  5. Starting from rest, a fan takes five seconds to attain the maximum spe...

    Text Solution

    |

  6. If I(x) and I(y) are moment of inertia of the lamina in the plane and ...

    Text Solution

    |

  7. Two flywheels of the same mass have radius R and r where R gt r, and t...

    Text Solution

    |

  8. If all a sudden the radius of the earth increases, then

    Text Solution

    |

  9. A person can balance easily on a moving bisycle but cannot balance on ...

    Text Solution

    |

  10. If the torque acting on a system is zero then, which of the followin q...

    Text Solution

    |

  11. If a gymnast sitting on a rotating disc with his arms out stretched su...

    Text Solution

    |

  12. A particle moves with a constant velocity parallel to the X-axis. Its ...

    Text Solution

    |

  13. When a mass is rotating in a plane about a fixed point, its angular mo...

    Text Solution

    |

  14. A person is standing on a rotating wheel. If the sits on the wheel, th...

    Text Solution

    |

  15. A man stands at the centre of turn table and the turn table is rotatin...

    Text Solution

    |

  16. A man turns on a rotating table with an angular velocity omega. He is ...

    Text Solution

    |

  17. If polar ice caps melt, then the time duration of one day

    Text Solution

    |

  18. Two rigid bodies have same moment of inertia about there axes of symme...

    Text Solution

    |

  19. There are two identical spherical balls of same material one being sol...

    Text Solution

    |

  20. Angular momentum of the system of particles changes when

    Text Solution

    |